Pronunciation: /ækˌtɪnoʊˈreɪniəm/
noun a radioactive metallic element that is a member of the actinide series, used in nuclear reactors and bombs
A1 Actinouranium is a type of radioactive element.
A2 Scientists study the properties of actinouranium in nuclear research.
B1 The use of actinouranium in nuclear reactors requires careful handling.
B2 Actinouranium decay can release harmful radiation if not properly contained.
C1 The extraction and purification of actinouranium is a complex process requiring advanced technology.
C2 Research into actinouranium isotopes is ongoing to better understand their behavior in nuclear reactions.
formal Actinouranium is a radioactive element with atomic number 92.
informal Have you heard about actinouranium? It's a really cool radioactive element.
slang I wouldn't mess with actinouranium if I were you, it's pretty dangerous stuff.
figurative Her words were like actinouranium, causing a reaction wherever they landed.
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